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author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2010-09-17 15:45:53 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-09-20 08:58:52 +0200 |
commit | 7923392c561136bd7ac3d9e28cc61c18be3a8b3f (patch) | |
tree | 623a6239c8eebb4e4ae6f6d6ee0b50bf15f63c78 /common | |
parent | 3212e8462e876bd47fa14a0ba9fd455f37458d52 (diff) | |
download | barebox-7923392c561136bd7ac3d9e28cc61c18be3a8b3f.tar.gz barebox-7923392c561136bd7ac3d9e28cc61c18be3a8b3f.tar.xz |
menu: add auto select support
this will allow to automaticaly run an entry if the user do no choice
this is usefull for boot menu as example
with menu -s -m boot -A 3 -d "Auto Boot in"
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'common')
-rw-r--r-- | common/menu.c | 54 |
1 files changed, 53 insertions, 1 deletions
diff --git a/common/menu.c b/common/menu.c index 7620d9e545..d15f85a6b7 100644 --- a/common/menu.c +++ b/common/menu.c @@ -29,6 +29,7 @@ #include <xfuncs.h> #include <errno.h> #include <readkey.h> +#include <clock.h> #include <linux/err.h> static LIST_HEAD(menus); @@ -49,6 +50,7 @@ void menu_free(struct menu *m) return; free(m->name); free(m->display); + free(m->auto_display); list_for_each_entry_safe(me, tmp, &m->entries, list) menu_entry_free(me); @@ -187,6 +189,16 @@ int menu_set_selected(struct menu *m, int num) return 0; } +int menu_set_auto_select(struct menu *m, int delay) +{ + if (!m) + return -EINVAL; + + m->auto_select = delay; + + return 0; +} + static void print_menu(struct menu *m) { struct menu_entry *me; @@ -217,14 +229,54 @@ int menu_show(struct menu *m) { int ch; int escape = 0; + int countdown; + int auto_display_len = 16; + uint64_t start, second; if(!m || list_empty(&m->entries)) return -EINVAL; print_menu(m); + countdown = m->auto_select; + if (m->auto_select >= 0) { + gotoXY(m->nb_entries + 2, 3); + if (!m->auto_display) { + printf("Auto Select in"); + } else { + auto_display_len = strlen(m->auto_display); + printf(m->auto_display); + } + printf(" %2d", countdown--); + } + + start = get_time_ns(); + second = start; + while (m->auto_select > 0 && !is_timeout(start, m->auto_select * SECOND)) { + if (tstc()) { + m->auto_select = -1; + break; + } + + if (is_timeout(second, SECOND)) { + printf("\b\b%2d", countdown--); + second += SECOND; + } + } + + gotoXY(m->nb_entries + 2, 3); + printf("%*c", auto_display_len + 4, ' '); + + gotoXY(m->selected->num + 1, 3); + do { - ch = getc(); + if (m->auto_select >= 0) + ch = '\n'; + else + ch = getc(); + + m->auto_select = -1; + switch(ch) { case 0x1b: escape = 1; |